RFQ#-Airbus AS365-EC155.exe

General
Target

RFQ#-Airbus AS365-EC155.exe

Filesize

850KB

Completed

27-07-2021 18:07

Score
10 /10
MD5

59b10a4ae08a82cceaf918848c40a8f5

SHA1

acf4e109eba29bc8ad37a4db9337ac9a30f74e68

SHA256

bf12c7cd5b7991644a86d6ab104040e6f51581d275a3f9e7f9b60e9931a204e8

Malware Config

Extracted

Family agenttesla
Credentials

Protocol: smtp

Host: smtp.sempreviva.pet

Port: 587

Username: dataoffice1@sempreviva.pet

Password: ACYPFpe9

Signatures 14

Filter: none

Collection
Credential Access
Defense Evasion
Persistence
  • AgentTesla

    Description

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload

    Reported IOCs

    resourceyara_rule
    behavioral1/memory/1700-69-0x0000000000400000-0x000000000043C000-memory.dmpfamily_agenttesla
    behavioral1/memory/1700-70-0x000000000043759E-mapping.dmpfamily_agenttesla
    behavioral1/memory/1700-73-0x0000000000400000-0x000000000043C000-memory.dmpfamily_agenttesla
  • Executes dropped EXE
    InstallUtil.exe

    Reported IOCs

    pidprocess
    1700InstallUtil.exe
  • Loads dropped DLL
    RFQ#-Airbus AS365-EC155.exe

    Reported IOCs

    pidprocess
    1080RFQ#-Airbus AS365-EC155.exe
  • Obfuscated with Agile.Net obfuscator

    Description

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    Tags

    Reported IOCs

    resourceyara_rule
    behavioral1/memory/1080-64-0x00000000007C0000-0x00000000007E1000-memory.dmpagile_net
  • Reads data files stored by FTP clients

    Description

    Tries to access configuration files associated with programs like FileZilla.

    TTPs

    Data from Local SystemCredentials in Files
  • Reads user/profile data of local email clients

    Description

    Email clients store some user data on disk where infostealers will often target it.

    TTPs

    Data from Local SystemCredentials in Files
  • Reads user/profile data of web browsers

    Description

    Infostealers often target stored browser data, which can include saved credentials etc.

    TTPs

    Data from Local SystemCredentials in Files
  • Adds Run key to start application
    InstallUtil.exe

    TTPs

    Registry Run Keys / Startup FolderModify Registry

    Reported IOCs

    descriptioniocprocess
    Set value (str)\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\qXLPL = "C:\\Users\\Admin\\AppData\\Roaming\\qXLPL\\qXLPL.exe"InstallUtil.exe
  • Suspicious use of SetThreadContext
    RFQ#-Airbus AS365-EC155.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 1080 set thread context of 17001080RFQ#-Airbus AS365-EC155.exeInstallUtil.exe
  • Modifies system certificate store
    RFQ#-Airbus AS365-EC155.exe

    TTPs

    Install Root CertificateModify Registry

    Reported IOCs

    descriptioniocprocess
    Key created\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829CRFQ#-Airbus AS365-EC155.exe
    Set value (data)\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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#-Airbus AS365-EC155.exe
    Set value (data)\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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#-Airbus AS365-EC155.exe
  • Suspicious behavior: EnumeratesProcesses
    RFQ#-Airbus AS365-EC155.exeInstallUtil.exe

    Reported IOCs

    pidprocess
    1080RFQ#-Airbus AS365-EC155.exe
    1080RFQ#-Airbus AS365-EC155.exe
    1700InstallUtil.exe
    1700InstallUtil.exe
  • Suspicious use of AdjustPrivilegeToken
    RFQ#-Airbus AS365-EC155.exeInstallUtil.exe

    Reported IOCs

    descriptionpidprocess
    Token: SeDebugPrivilege1080RFQ#-Airbus AS365-EC155.exe
    Token: SeDebugPrivilege1700InstallUtil.exe
  • Suspicious use of WriteProcessMemory
    RFQ#-Airbus AS365-EC155.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 1080 wrote to memory of 17001080RFQ#-Airbus AS365-EC155.exeInstallUtil.exe
    PID 1080 wrote to memory of 17001080RFQ#-Airbus AS365-EC155.exeInstallUtil.exe
    PID 1080 wrote to memory of 17001080RFQ#-Airbus AS365-EC155.exeInstallUtil.exe
    PID 1080 wrote to memory of 17001080RFQ#-Airbus AS365-EC155.exeInstallUtil.exe
    PID 1080 wrote to memory of 17001080RFQ#-Airbus AS365-EC155.exeInstallUtil.exe
    PID 1080 wrote to memory of 17001080RFQ#-Airbus AS365-EC155.exeInstallUtil.exe
    PID 1080 wrote to memory of 17001080RFQ#-Airbus AS365-EC155.exeInstallUtil.exe
    PID 1080 wrote to memory of 17001080RFQ#-Airbus AS365-EC155.exeInstallUtil.exe
    PID 1080 wrote to memory of 17001080RFQ#-Airbus AS365-EC155.exeInstallUtil.exe
    PID 1080 wrote to memory of 17001080RFQ#-Airbus AS365-EC155.exeInstallUtil.exe
    PID 1080 wrote to memory of 17001080RFQ#-Airbus AS365-EC155.exeInstallUtil.exe
    PID 1080 wrote to memory of 17001080RFQ#-Airbus AS365-EC155.exeInstallUtil.exe
Processes 2
  • C:\Users\Admin\AppData\Local\Temp\RFQ#-Airbus AS365-EC155.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ#-Airbus AS365-EC155.exe"
    Loads dropped DLL
    Suspicious use of SetThreadContext
    Modifies system certificate store
    Suspicious behavior: EnumeratesProcesses
    Suspicious use of AdjustPrivilegeToken
    Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
      Executes dropped EXE
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1700
Network
MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Discovery
      Execution
        Exfiltration
          Impact
            Initial Access
              Lateral Movement
                Privilege Escalation
                  Replay Monitor
                  00:00 00:00
                  Downloads
                  • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

                    MD5

                    91c9ae9c9a17a9db5e08b120e668c74c

                    SHA1

                    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

                    SHA256

                    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

                    SHA512

                    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

                  • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

                    MD5

                    91c9ae9c9a17a9db5e08b120e668c74c

                    SHA1

                    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

                    SHA256

                    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

                    SHA512

                    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

                  • \Users\Admin\AppData\Local\Temp\InstallUtil.exe

                    MD5

                    91c9ae9c9a17a9db5e08b120e668c74c

                    SHA1

                    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

                    SHA256

                    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

                    SHA512

                    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

                  • memory/1080-62-0x0000000004E70000-0x0000000004E71000-memory.dmp

                  • memory/1080-65-0x0000000004E71000-0x0000000004E72000-memory.dmp

                  • memory/1080-66-0x0000000000A60000-0x0000000000A6B000-memory.dmp

                  • memory/1080-67-0x0000000000840000-0x0000000000841000-memory.dmp

                  • memory/1080-60-0x0000000000200000-0x0000000000201000-memory.dmp

                  • memory/1080-64-0x00000000007C0000-0x00000000007E1000-memory.dmp

                  • memory/1700-69-0x0000000000400000-0x000000000043C000-memory.dmp

                  • memory/1700-70-0x000000000043759E-mapping.dmp

                  • memory/1700-73-0x0000000000400000-0x000000000043C000-memory.dmp

                  • memory/1700-75-0x00000000009D0000-0x00000000009D1000-memory.dmp

                  • memory/1700-76-0x00000000009D1000-0x00000000009D2000-memory.dmp